Rough Water Products Dock Boxes have the following features: Sleek Rounderd Edges and a Domed Lid, All Cut and Exposed Edges are Gelcoated - NO Other Manufacturer Offers This Feature, 5” Stainless Steel Vents on Both Ends, Gas Shocks for Easy Opening and as a Safety Feature- Will Not Slam Down, 2 Stainless Steel Lockable Latches, Enough Room to Store Dive Tanks in an Upright Position. Plus Extra Room for Other Gear. Optional 6 Pack Dive Tank Storage Rack Available. 4 Sizes to Choose From. All Rough Water Products Come with a 5 Year Warranty.